google.load('visualization', '1.0', {'packages':['corechart']});
google.setOnLoadCallback(function(){
  var data = new google.visualization.DataTable();
       data.addColumn('string', '日');
       data.addColumn('number', '推測');
       data.addColumn('number', '推測');
       data.addColumn('number', 'iOS前月');
       data.addColumn('number', 'iOS当月');
       data.addRows([
        ['1日',null,null,null,178],
['2日',168,194,168,194],
['3日',null,208,166,null],
['4日',null,216,177,null],
['5日',194,220,194,null],
['6日',201,214,null,null],
['7日',200,199,200,199],
['8日',215,null,null,191],
['9日',217,null,null,189],
['10日',206,null,null,187],
['11日',180,null,180,178],
['12日',null,null,182,183],
['13日',null,null,183,142],
['14日',null,null,181,145],
['15日',null,null,199,149],
['16日',null,null,193,175],
['17日',null,null,195,183],
['18日',null,188,184,188],
['19日',null,203,175,null],
['20日',null,206,184,null],
['21日',187,204,187,null],
['22日',202,195,null,195],
['23日',142,null,142,184],
['24日',null,null,135,186],
['25日',null,180,147,180],
['26日',null,203,158,null],
['27日',null,204,166,null],
['28日',null,210,172,null],
['29日',null,209,185,null],
['30日',null,216,198,null],
['31日',null,null,191,null]
        ]);
  var options = {
    chartArea: {'width':'85%', 'height':'65%', 'left':60 },
    'pointSize': 3,
    hAxis: { titleTextStyle:{italic:false}, format:'#',ticks: [1,5,10,15,20,25,30] },
    vAxis: { title:'2024年4月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:250},direction:-1 },
    legend: {position: 'top' },
    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['skyblue','pink','#2980b9','#e74c3c']
  };

  var chart = new google.visualization.LineChart(document.getElementById('graphField'));
  chart.draw(data, options);

  var lastlogday=30 -1 ;
  var lastlogcat=2;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});